The Video Toaster

Technical Specifications

Hardware Specifications:

• Video Standard: NTSC
• Inputs:
  • 4 composite synchronous input BNC connectors
  • 1 Volt p-p coherent chroma
  • Software controllable 75 Ohms termination or high impedance
• Main Video Output: 1 Volt p-p composite RS 170A into 75 Ohms
• Preview Video Output: 1 Volt p-p composite RS 170A into 75 Ohms
• External Sync: Composite color or black burst on video input 1 or external sync connector with adjustable H & SC phase
• Sequence Trigger:
  • Bi-directional GPI trigger with optional cable
  • RS-232 serial control
• Sync Generator: Sync, blanking and burst internally regenerated. Meets all FCC broadcast video and RS-170A specifications

Switcher

• Signal to Noise: 53 dB
• Luminance Bandwidth: +0/-3 dB to 4.5 MHz
• Luminance Resolution: >400 lines
• Inputs:
  • Video 1-4 synchronous composite RS-170A video
  • Digital disk A
  • Digital disk B
  • Time base corrector output
  • Still store/matte generator
• Luminance Keyer: 256 level clip control
• Processor:
  • MC68332
  • 256K RAM
  • 126K ROM
  • Clock 16 MHz

Digital Disk Recorder:

• Sample Rate: 14.31818 MHz
• Quantizing: 8 bits
• Differential Phase: <2
• Differential gain: <3%
• Chroma Bandwidth:
  • 1.2 MHz I
  • .6 MHz Q
• Luminance Bandwidth: 2.75 Mhz to 6 MHz *
• Video Data Rate: .7 to 8.0 MB/second *
• Signal to Noise:45 to 55 dB *

  (* = Varies with compression mode and picture content)

• Buffer Memory: 8 MBytes
• SCSI Ports: 3 SCSI II

Audio Recorder/Mixer

• Digital DSP: ADSP2115
• Digital Inputs:
  • Video disk A left and right
  • Video disk B left and right
  • Audio disk A left and right
  • Audio disk B left and right
• Memory: 64 KBytes
• Clock Rate: 20 MHz
• Inputs:
  • Analog, unbalanced
  • Left and right RCA jacks
• Input Impedance: 10k Ohms
• Default Input Level: .64 Vrms maximum
• Input Level with Faders at Minimum Position: 2.16 Vrms maximum
• Input Level with Faders at Maximum Position: .2 Vrms maximum
• Outputs:
  • Analog, unbalanced
  • Left and right RCA jacks
• Nominal Output Impedance: 10k Ohms
• Maximum Output Level: .707 Vrms
• Internal Digital Format:
  • 16 bit sampling resolution
  • 44.1 KHz sampling rate
  • 64x oversampling ratio A/D converter
• Dynamic Range: 66.7 dB - A weighted
• Separation: 66.7 dB - A weighted
• Frequency Response:
  • 25 Hz to 21 Khz ± 3 dB
  • 50 Hz to 19.5 KHz ± 1 dB

Time Base Corrector

• Inputs:
  • Video 5 - RCA connector. Asynchronous composite video signal
  • Video 6 - Y/C connector. Asynchronous luma/chroma video signal
• Internal Data Format: 4:2:2 . Y:Cr:Cb
• Memory: 2 fields . 4:2:2
• Outputs:
  • Y/C connector - back panel
  • Composite to switcher
• TBC Functions: Field freeze, frame freeze, proc amp
• Frame Store Memory: 2 MBytes
• Requirements:
  • 3 internal Toaster compatible disk drives
  • Host SCSI II Cable
  • IBM compatible host computer with Windows NT or 95
  • SCSI II interface card

Expansion Slot and Internal Connectors:

• System Processor Buss:
  • 16 bits data
  • 24 bits address
• Digital Video Buss A & B: 16 bits + 2 clocks
• Alpha Channel Buss: 8 bits
• Aux. Audio Input: 2
• Aux. Audio Output: 2
• RS232 Serial Ports: 3
• System Power: ±5 v &177;12 v
• Camera Pause
• Camera Tally
• Video In 1-4
• Main Video Out
• Preview Video Out
• External Sync Video
• Digital Disk A Video Out
• Digital Disk B Video Out

Features and specification subject to change without notice.
Video Toaster is a registered trademark of NewTek, Inc.
Toaster, VTASC and LightWave 3D are trademarks of NewTek, Inc.
Windows, Windows NT, and Windows 95 are trademarks of Microsoft Corp.
IBM is a trademark of International Business Machines Corporation.